“…Followed by "False belief regarding vaccination and cultural barriers" also mentioned by 25% (9) of studies and similarly "Cost of vaccine and unavailability of the vaccine" mentioned by 25% ( 9) of reviewed studies. The fourth most mentioned barrier is "low awareness among providers and Inadequate knowledge of HBV among health-care workers" which mentioned by 19% ( 7 1, (Butsashvili et al, 2012;Giles-Vernick et al, 2016b;Larcher et al, 2001b); 2, (Cox et al, 2012b;Fourn et al, 2009b;Ritvo et al, 2003); 3, (Butsashvili et al, 2012;Ko et al, 2017b); 4, (Branco et al, 2014;Wu et al, 2017); 5, (Han et al, 2014); 6, (Bowman et al, 2014;MacDougall et al, 2015b); 7, (Han et al, 2014;Philbin et al, 2012b);8, (Philbin et al, 2012b); 9, (Akibu et al, 2018;Butsashvili et al, 2012;Harris et al, 2007); 10, (Juon et al, 2009b;Khan & Ross, 2013;Yau et al, 2016b;Zacharias et al, 2015); 11, (Butsashvili et al, 2012;MacDougall et al, 2015b); 12, (Navarro et al, 2014); 13, (Akibu et al, 2018;MacDougall et al, 2015b;Mollema et al, 2012); 14, (Chingle et al, 2017); 15, (Akibu et al, 2018;Branco et al, 2014); 16, (Butsashvili et al, 2012;MacDougall et al, 2015b;Philbin et al, 2012b); 17, (Kabir et al, 2010); 18, (Harris et al, 2007); 19, (Han et al, 2014); 20, (Ganczak et al, 2015;…”